Hi mailing list, According to the squid FAQ, the authentification is not possible in transparent mode because of browser security feature. Indeed, this last is not expecting the proxy. Nevertheless, is there someone who knows a bypass method? Deactivate this browser feature or something else? Thank you in advance of yours responses. Eric ANDRE Securalis | 10, rue Ballu | 75009 Paris Tél +33.(0)1.53.43.06.06 | support 0 820 820 848 Fax +33.(0)1.53.01.29.44 eric.andre@xxxxxxxxxxxxx | www.securalis.com